| 2025年 | 2026年 | 平年値 | |
| 6-15 | 20.5 | 23.6 | 21.9 |
| 6-16 | 20.6 | 23.5 | 22.1 |
| 6-17 | 20.4 | 23.5 | 22.3 |
| 6-18 | 21.4 | 23 | 22.5 |
| 6-19 | 22 | 23.1 | 22.5 |
| 6-20 | 22 | 22.9 | 22.6 |
| 6-21 | 21.9 | 22.5 | 22.5 |
| 6-22 | 22.7 | 22.5 | 22.6 |
| 6-23 | 22.2 | 23.2 | 22.4 |
| 6-24 | 21.9 | 23.4 | 22.5 |
| 6-25 | 22.2 | 23.2 | 22.6 |
| 6-26 | 21.9 | 23 | 22.3 |
| 6-27 | 22.6 | 23.1 | 22.5 |
| 6-28 | 23.3 | 23.2 | 22.3 |
| 6-29 | 24.2 | --- | 22.6 |